[INFO] fetching crate failure-tools 4.0.5...
[INFO] testing failure-tools-4.0.5 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate failure-tools 4.0.5 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate failure-tools 4.0.5
[INFO] finished tweaking crates.io crate failure-tools 4.0.5
[INFO] tweaked toml for crates.io crate failure-tools 4.0.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate failure-tools 4.0.5 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 218a85676e888f4645bc02b33be328b4e020cc9bbd28395f0382815f670f484e
[INFO] running `Command { std: "docker" "start" "-a" "218a85676e888f4645bc02b33be328b4e020cc9bbd28395f0382815f670f484e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "218a85676e888f4645bc02b33be328b4e020cc9bbd28395f0382815f670f484e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "218a85676e888f4645bc02b33be328b4e020cc9bbd28395f0382815f670f484e", kill_on_drop: false }`
[INFO] [stdout] 218a85676e888f4645bc02b33be328b4e020cc9bbd28395f0382815f670f484e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] b08279c91d77be5822cd35592bc69f04980da1fac152e00e47c885fc95e267bf
[INFO] running `Command { std: "docker" "start" "-a" "b08279c91d77be5822cd35592bc69f04980da1fac152e00e47c885fc95e267bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling rustc-demangle v0.1.25
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling backtrace v0.3.75
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling failure-tools v4.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `failure::Error::causes`: please use the 'iter_chain()' method instead
[INFO] [stdout]  --> src/lib.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let causes = e.causes().collect::<Vec<_>>();
[INFO] [stdout]   |                    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.12s
[INFO] running `Command { std: "docker" "inspect" "b08279c91d77be5822cd35592bc69f04980da1fac152e00e47c885fc95e267bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b08279c91d77be5822cd35592bc69f04980da1fac152e00e47c885fc95e267bf", kill_on_drop: false }`
[INFO] [stdout] b08279c91d77be5822cd35592bc69f04980da1fac152e00e47c885fc95e267bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 571c7c0e9a82e89eeeeb6742574df70ad5ec7efa8268cb39978ead3b9c06afbf
[INFO] running `Command { std: "docker" "start" "-a" "571c7c0e9a82e89eeeeb6742574df70ad5ec7efa8268cb39978ead3b9c06afbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling failure-tools v4.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `failure::Error::causes`: please use the 'iter_chain()' method instead
[INFO] [stdout]  --> src/lib.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let causes = e.causes().collect::<Vec<_>>();
[INFO] [stdout]   |                    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "571c7c0e9a82e89eeeeb6742574df70ad5ec7efa8268cb39978ead3b9c06afbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "571c7c0e9a82e89eeeeb6742574df70ad5ec7efa8268cb39978ead3b9c06afbf", kill_on_drop: false }`
[INFO] [stdout] 571c7c0e9a82e89eeeeb6742574df70ad5ec7efa8268cb39978ead3b9c06afbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 3074c527c5eb6b1e239c314fa086d35138ef6824fcdb9d38beeecd8a87afc4b4
[INFO] running `Command { std: "docker" "start" "-a" "3074c527c5eb6b1e239c314fa086d35138ef6824fcdb9d38beeecd8a87afc4b4", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated method `failure::Error::causes`: please use the 'iter_chain()' method instead
[INFO] [stdout] 
[INFO] [stderr]  --> src/lib.rs:9:20
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 9 |     let causes = e.causes().collect::<Vec<_>>();
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |                    ^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `failure-tools` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/failure_tools-5346244b9f9ed70f)
[INFO] running `Command { std: "docker" "inspect" "3074c527c5eb6b1e239c314fa086d35138ef6824fcdb9d38beeecd8a87afc4b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3074c527c5eb6b1e239c314fa086d35138ef6824fcdb9d38beeecd8a87afc4b4", kill_on_drop: false }`
[INFO] [stdout] 3074c527c5eb6b1e239c314fa086d35138ef6824fcdb9d38beeecd8a87afc4b4